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China Supplier 140mm 1045 Billets Mild Steel Round Bar St52 Square Bar For Building
Round steel is a solid strip of steel with a circular cross section. Its specification is expressed in diameter, the unit is millimeter (mm), such as "50mm" refers to the diameter of 50mm round steel. Chinese name Round steel foreign name Round steel High hardness and wear resistance can be obtained after heat treatment. It is mainly used for manufacturing various tools, cutting tools, molds and measuring tools
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